Home / 846,999.42-1,168,879.74-459,830.76

Finding the Fourth Proportional to 846,999.42, 1,168,879.74 and 459,830.76

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Solution

The fourth proportional to 846,999.42, 1,168,879.74 and 459,830.76 is: 634,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,999.42 : 1,168,879.74 = 459,830.76 : x
  2. Step 2: Convert to fraction form
    846,999.42/1,168,879.74 = 459,830.76/x
  3. Step 3: Cross multiply
    846,999.42x = 1,168,879.74 × 459,830.76
  4. Step 4: Simplify right side
    846,999.42x = 537,486,859,192.80
  5. Step 5: Solve for x
    x = 537,486,859,192.80/846,999.42
  6. Step 6: Final answer
    x = 634,577.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.